central processing unit

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central processing unit

A student points to the central processing unit on a computer motherboard.

Definition
  1. Noun:
    • The primary computational component of a computer: The central processing unit (CPU) is the electronic circuitry within a computer that executes the instructions of a computer program by performing basic arithmetic, logic, controlling, and input/output (I/O) operations.
Usage
  • The term "central processing unit" is used to refer to the main processor or "brain" of a computer system. It is a technical term common in computing contexts.
  • It is often abbreviated as CPU.
Examples
  • Noun:
    • The speed of a computer largely depends on its central processing unit.
    • Modern central processing units contain multiple cores to handle several tasks simultaneously.
    • When upgrading a computer, you might replace the central processing unit with a faster model.
Advanced Usage
  • "CPU-bound": Describes a situation where the performance of a computer application is limited primarily by the speed of the central processing unit, not by other factors like I/O operations.
    • This scientific simulation is CPU-bound, so we need the most powerful processor available.
Variants and Related Words
  • CPU (noun): The standard abbreviation for "central processing unit."
    • The CPU temperature is getting too high.
  • Processor (noun): A common synonym for the central processing unit.
    • This laptop has an efficient processor.
  • Microprocessor (noun): A single-chip central processing unit.
    • The invention of the microprocessor revolutionized personal computing.
Synonyms
  • Processor
  • Main processor
  • Chip (informal, in context)
Related Phrases
  • CPU clock speed: The operating frequency of the central processing unit, measured in gigahertz (GHz).
    • A higher CPU clock speed generally means faster processing.
  • CPU cache: A small, fast memory located on or near the central processing unit to store frequently accessed data.
    • The CPU's cache significantly improves performance.
central processing unit

A student points to the central processing unit on a computer motherboard.

Noun
  1. (computer science) the part of a computer (a microprocessor chip) that does most of the data processing
    • the CPU and the memory form the central part of a computer to which the peripherals are attached

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